/**
* EMT worker for DBGFR3Attach.
*
* @returns VBox status code.
* @param pVM Pointer to the VM.
*/
static DECLCALLBACK(int) dbgfR3Attach(PVM pVM)
{
if (pVM->dbgf.s.fAttached)
{
Log(("dbgR3Attach: Debugger already attached\n"));
return VERR_DBGF_ALREADY_ATTACHED;
}
/*
* Create the Ping-Pong structure.
*/
int rc = RTSemPingPongInit(&pVM->dbgf.s.PingPong);
AssertRCReturn(rc, rc);
/*
* Set the attached flag.
*/
ASMAtomicWriteBool(&pVM->dbgf.s.fAttached, true);
return VINF_SUCCESS;
}
int main()
{
RTR3Init();
/*
* Create a ping pong and kick off a second thread which we'll
* exchange TSTSEMPINGPONG_ITERATIONS messages with.
*/
RTPINGPONG PingPong;
int rc = RTSemPingPongInit(&PingPong);
if (RT_FAILURE(rc))
{
RTPrintf("tstSemPingPong: FATAL ERROR - RTSemPingPongInit -> %Rrc\n", rc);
return 1;
}
RTTHREAD hThread;
rc = RTThreadCreate(&hThread, tstSemPingPongThread, &PingPong, 0, RTTHREADTYPE_DEFAULT, RTTHREADFLAGS_WAITABLE, "PONG");
if (RT_FAILURE(rc))
{
RTPrintf("tstSemPingPong: FATAL ERROR - RTSemPingPongInit -> %Rrc\n", rc);
return 1;
}
RTPrintf("tstSemPingPong: TESTING - %u iterations...\n", TSTSEMPINGPONG_ITERATIONS);
for (uint32_t i = 0; i < TSTSEMPINGPONG_ITERATIONS; i++)
{
if (!RTSemPingIsSpeaker(&PingPong))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPingIsSpeaker returned false before RTSemPing.\n");
}
rc = RTSemPing(&PingPong);
if (RT_FAILURE(rc))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPing -> %Rrc\n", rc);
break;
}
if (!RTSemPingShouldWait(&PingPong))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPingShouldWait returned false before RTSemPingWait.\n");
}
rc = RTSemPingWait(&PingPong, RT_INDEFINITE_WAIT);
if (RT_FAILURE(rc))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPingWait -> %Rrc\n", rc);
break;
}
}
int rcThread;
rc = RTThreadWait(hThread, 5000, &rcThread);
if (RT_FAILURE(rc))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPingWait -> %Rrc\n", rc);
}
rc = RTSemPingPongDelete(&PingPong);
if (RT_FAILURE(rc))
{
ASMAtomicIncU32(&g_cErrors);
RTPrintf("tstSemPingPong: ERROR - RTSemPingPongDestroy -> %Rrc\n", rc);
}
/*
* Summary.
*/
uint32_t cErrors = ASMAtomicUoReadU32(&g_cErrors);
if (cErrors)
RTPrintf("tstSemPingPong: FAILED - %d errors\n", cErrors);
else
RTPrintf("tstSemPingPong: SUCCESS\n");
return cErrors ? 1 : 0;
}
